Firefox needs to be restarted after the certificate is added for it to become active. The user is prompted to do this.

If the application is killed whilst monitoring is on then access to the internet may fail with "proxy" not available errors. Solution is to manually remove the system proxy setting using IE: Settings > Internet Options > Connections tab > LAN Settings > Proxy Server | Advanced button.

May not be compatible with some 3rd party proxy servers. Solution is to disable HTTPS/SSL scanning in the settings.